<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <!-- import CSS -->
  <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
  <!-- import Vue before Element -->
  <script src="https://unpkg.com/vue/dist/vue.js"></script>
  <!-- import JavaScript -->
  <script src="https://unpkg.com/element-ui/lib/index.js"></script>
  <style>
    .el-header, .el-footer {
      background-color: #B3C0D1;
      color: #333;
      text-align: center;
      line-height: 60px;
    }

    .el-aside {
      background-color: #D3DCE6;
      color: #333;
      text-align: center;
      line-height: 200px;
    }

    .el-main {
      background-color: #E9EEF3;
      color: #333;
      text-align: center;
      line-height: 160px;
    }

    body > .el-container {
      margin-bottom: 40px;
    }
  </style>
</head>
<body>
<div id="app">
    <h1>学习container</h1></hr>
    <el-container>
        <el-header>Header</el-header>
        <el-container>
          <el-aside width="200px"> Aside</el-aside>
          <el-container>
            <el-main>Main</el-main>
            <el-footer>Footer</el-footer>
          </el-container>
        </el-container>
    </el-container>
</div>
</body>

<script>
  new Vue({
    el: '#app'
  })
</script>
</html>